Finding the Fourth Proportional to 2,650,987.94, 3,658,138.66 and 1,489,343.06
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Solution
The fourth proportional to 2,650,987.94, 3,658,138.66 and 1,489,343.06 is: 2,055,167.19
Step by Step Solution
- Step 1: Write the proportion equation
2,650,987.94 : 3,658,138.66 = 1,489,343.06 : x - Step 2: Convert to fraction form
2,650,987.94/3,658,138.66 = 1,489,343.06/x - Step 3: Cross multiply
2,650,987.94x = 3,658,138.66 × 1,489,343.06 - Step 4: Simplify right side
2,650,987.94x = 5,448,223,425,788.70 - Step 5: Solve for x
x = 5,448,223,425,788.70/2,650,987.94 - Step 6: Final answer
x = 2,055,167.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.